Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1984_9_a1, author = {A. S. Barashkov}, title = {Regular expansion of solutions of singularly perturbed equations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {6--9}, publisher = {mathdoc}, number = {9}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1984_9_a1/} }
A. S. Barashkov. Regular expansion of solutions of singularly perturbed equations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1984), pp. 6-9. http://geodesic.mathdoc.fr/item/IVM_1984_9_a1/